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0
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1
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2 /*
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3 * Copyright (C) Igor Sysoev
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660
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4 * Copyright (C) Nginx, Inc.
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0
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5 */
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6
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7
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8 #ifndef _NGX_FILE_H_INCLUDED_
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9 #define _NGX_FILE_H_INCLUDED_
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10
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11
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12 #include <ngx_config.h>
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13 #include <ngx_core.h>
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14
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15
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16 struct ngx_file_s {
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464
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17 ngx_fd_t fd;
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18 ngx_str_t name;
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19 ngx_file_info_t info;
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0
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20
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464
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21 off_t offset;
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22 off_t sys_offset;
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0
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23
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464
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24 ngx_log_t *log;
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0
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25
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518
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26 #if (NGX_HAVE_FILE_AIO)
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27 ngx_event_aio_t *aio;
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28 #endif
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29
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464
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30 unsigned valid_info:1;
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31 unsigned directio:1;
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0
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32 };
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33
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518
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34
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0
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35 #define NGX_MAX_PATH_LEVEL 3
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36
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464
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37
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468
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38 typedef time_t (*ngx_path_manager_pt) (void *data);
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514
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39 typedef void (*ngx_path_loader_pt) (void *data);
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464
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40
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16
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41
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464
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42 typedef struct {
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43 ngx_str_t name;
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44 size_t len;
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45 size_t level[3];
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46
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468
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47 ngx_path_manager_pt manager;
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514
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48 ngx_path_loader_pt loader;
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464
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49 void *data;
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50
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51 u_char *conf_file;
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52 ngx_uint_t line;
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53 } ngx_path_t;
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0
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54
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55
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56 typedef struct {
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464
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57 ngx_str_t name;
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58 size_t level[3];
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59 } ngx_path_init_t;
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60
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0
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61
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464
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62 typedef struct {
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63 ngx_file_t file;
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64 off_t offset;
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65 ngx_path_t *path;
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66 ngx_pool_t *pool;
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67 char *warn;
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182
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68
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464
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69 ngx_uint_t access;
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70
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71 unsigned log_level:8;
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72 unsigned persistent:1;
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73 unsigned clean:1;
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0
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74 } ngx_temp_file_t;
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75
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76
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362
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77 typedef struct {
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464
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78 ngx_uint_t access;
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79 ngx_uint_t path_access;
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80 time_t time;
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81 ngx_fd_t fd;
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362
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82
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464
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83 unsigned create_path:1;
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84 unsigned delete_file:1;
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362
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85
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464
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86 ngx_log_t *log;
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362
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87 } ngx_ext_rename_file_t;
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88
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89
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514
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90 typedef struct {
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91 off_t size;
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92 size_t buf_size;
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93
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94 ngx_uint_t access;
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95 time_t time;
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96
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97 ngx_log_t *log;
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98 } ngx_copy_file_t;
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99
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100
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272
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101 typedef struct ngx_tree_ctx_s ngx_tree_ctx_t;
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102
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276
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103 typedef ngx_int_t (*ngx_tree_init_handler_pt) (void *ctx, void *prev);
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272
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104 typedef ngx_int_t (*ngx_tree_handler_pt) (ngx_tree_ctx_t *ctx, ngx_str_t *name);
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105
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106 struct ngx_tree_ctx_s {
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276
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107 off_t size;
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632
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108 off_t fs_size;
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276
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109 ngx_uint_t access;
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110 time_t mtime;
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111
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272
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112 ngx_tree_init_handler_pt init_handler;
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113 ngx_tree_handler_pt file_handler;
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114 ngx_tree_handler_pt pre_tree_handler;
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115 ngx_tree_handler_pt post_tree_handler;
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116 ngx_tree_handler_pt spec_handler;
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276
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117
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272
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118 void *data;
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276
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119 size_t alloc;
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120
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272
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121 ngx_log_t *log;
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122 };
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123
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124
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16
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125 ssize_t ngx_write_chain_to_temp_file(ngx_temp_file_t *tf, ngx_chain_t *chain);
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126 ngx_int_t ngx_create_temp_file(ngx_file_t *file, ngx_path_t *path,
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278
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127 ngx_pool_t *pool, ngx_uint_t persistent, ngx_uint_t clean,
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128 ngx_uint_t access);
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356
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129 void ngx_create_hashed_filename(ngx_path_t *path, u_char *file, size_t len);
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16
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130 ngx_int_t ngx_create_path(ngx_file_t *file, ngx_path_t *path);
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218
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131 ngx_err_t ngx_create_full_path(u_char *dir, ngx_uint_t access);
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28
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132 ngx_int_t ngx_add_path(ngx_conf_t *cf, ngx_path_t **slot);
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688
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133 ngx_int_t ngx_create_paths(ngx_cycle_t *cycle, ngx_uid_t user);
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362
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134 ngx_int_t ngx_ext_rename_file(ngx_str_t *src, ngx_str_t *to,
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135 ngx_ext_rename_file_t *ext);
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514
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136 ngx_int_t ngx_copy_file(u_char *from, u_char *to, ngx_copy_file_t *cf);
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272
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137 ngx_int_t ngx_walk_tree(ngx_tree_ctx_t *ctx, ngx_str_t *tree);
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0
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138
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44
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139 ngx_atomic_uint_t ngx_next_temp_number(ngx_uint_t collision);
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0
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140
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141 char *ngx_conf_set_path_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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464
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142 char *ngx_conf_merge_path_value(ngx_conf_t *cf, ngx_path_t **path,
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143 ngx_path_t *prev, ngx_path_init_t *init);
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318
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144 char *ngx_conf_set_access_slot(ngx_conf_t *cf, ngx_command_t *cmd, void *conf);
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0
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145
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146
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516
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147 extern ngx_atomic_t *ngx_temp_number;
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148 extern ngx_atomic_int_t ngx_random_number;
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149
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150
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0
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151 #endif /* _NGX_FILE_H_INCLUDED_ */
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